🐟Antarctic toothfish
ライギョダマシ (Dissostichus mawsoni) はノトテニア亜目に属する海水魚の1種。南緯60°以南、海水温は氷点下の南極海に分布する。南極海では数少ない大型魚類であり、重要な漁業対象となっている。属名 Dissostichus はギリシャ語で dissos (二重の) stichus (線) を意味し、長い側線を2本持つことに由来する。この側線は本種の生態において重要な役割を果たす。英名の Antarctic toothfish は上顎に2列の歯を持ち、サメに似た印象を与えることに因む。また、Antarctic cod（ナンキョクダラ）という別名もあるが、タラとは近縁ではない。
Text: Wikipedia, CC BY-SA 4.0.
The IUCN Red List has not assessed Dissostichus mawsoni yet.
- Body mass
- 44 kg
- Body length
- 1.27 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 31 years
Everything we know about the Antarctic toothfish
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass44 kgrecord 80 kg · FishBaseAnAgeDetails ↓Hide ↑
data quality: acceptable
Record: largest individual on record
Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0
Body length1.27 mrecord 2 m · FishBasetypical adultFishBaseDetails ↓Hide ↑
Record: largest individual on record
Source: FishBase · v25.04 · CC BY-NC 4.0
Maximum lifespan31 yearsrecord 39 years · FishBaseAnAgeDetails ↓Hide ↑
data quality: acceptable
Record: largest individual on record
Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0
Trophic level3.94FishBaseDetails ↓Hide ↑
Source: FishBase · v25.04, estimate table · CC BY-NC 4.0
DietcarnivoreaverageDetails ↓Hide ↑
From trophic level 3.94 (FishBase): <2.2 herbivore, 2.2–2.8 omnivore, >2.8 carnivore.
Danger to humansharmlessFishBaseDetails ↓Hide ↑
Source: FishBase · v25.04 · CC BY-NC 4.0
Volume l44 LaverageDetails ↓Hide ↑
Body mass at ~1.0 kg/L, the density of vertebrate tissue.
average = a mean across sexes or species in a group.
Not recorded for Antarctic toothfish yet: shoulder height, top speed, bite force.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›orderPerciformes
- ›familyNototheniidae
- ›genusDissostichus
- ›speciesDissostichus mawsoni
- superclassRay-finned fish · Actinopterygii
- orderAcanthomorphata
- suborderNotothenioidei
- genusDissostichus
All 11 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassRay-finned fish · Actinopterygii
- classActinopteri
- subclassNeopterygii
- orderAcanthomorphata
- suborderNotothenioidei
- genusDissostichus
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